Midea ATOM MDV-V56WDHN1(AtB)

Atom B Series VRF 50/60Hz
42
Midea
Atom B
Series Service Manual
3 Wiring Diagrams
Figure 5-3.1: 28 model wiring diagram
Component code
Description
Component code
Description
CH1-CH4
Magnetic ring
STF1
Four-way valve
COMP
Compressor
TL
Refrigerant radiator temperature sensor
EEV1
Electronic expansion valve
XT1
Power supply terminal
FAN
DC fan
T3
Outdoor heat exchanger temperature sensor
HEAT1
Crankcase heater
T4
Outdoor ambient temperature sensor
H-PRO
High pressure on/off switch(default)
T5
Outdoor discharge temperature sensor
L-PRO
Low pressure on/off switch